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Hi there, |
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I want to setup a gateway / firewall solution with Gentoo. The network |
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has following structure: |
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Several host (host[1,...,x].domain.net) are defined within the DNS and |
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all of them have the same A-Record with the IP 1.2.3.4 |
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The gateway is listening on its external network interface with the IP |
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1.2.3.4 and has an internal interface with a private subnet |
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(192.168.0.0/24). The hosts (host[1,...,x].) are addressed in this subnet. |
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How can it be solved, that the gateway opens a tunnel to the special |
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host in the private subnet (let.s say 192.168.0.3) if there is a query |
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for host3.domain.net? |
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In my opinion this cannot be done because the client queries the DNS and |
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simply opens the connection to the IP 1.2.3.4 and the gateway has now |
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hints how to decide to which internal host the tunnel should be opened. |
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But this setup is possible because Microsoft ISA Server exactly does |
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this job! |
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I have no idea how to solve this. First idea was a kernel bridge between |
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the interfaces. |
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Do you have any hints for me? |
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Thanks a lot! |
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|
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Andreas |
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-- |
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